Finding the Fourth Proportional to 402,406.75, 603,703.41 and 118,085.68
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Solution
The fourth proportional to 402,406.75, 603,703.41 and 118,085.68 is: 177,155.89
Step by Step Solution
- Step 1: Write the proportion equation
402,406.75 : 603,703.41 = 118,085.68 : x - Step 2: Convert to fraction form
402,406.75/603,703.41 = 118,085.68/x - Step 3: Cross multiply
402,406.75x = 603,703.41 × 118,085.68 - Step 4: Simplify right side
402,406.75x = 71,288,727,688.17 - Step 5: Solve for x
x = 71,288,727,688.17/402,406.75 - Step 6: Final answer
x = 177,155.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.